LCD Digital Pitch Gauge Blades Angle Measure Tool for ST250-800 Flybarless Helicopter

Specification: Size: Approx. 10.8cm x 5.2cm x 1.5cm/ 4.25x2.05x0.59" Working Voltage: 3.0V Battery: 2x CR 2032 Battery (Include) Consumption: Max. 6mA Resolution Rate: 0.1 Working Temperature: 0-40C Blade width allows : 20mm~75mm Detection Angel: 90 Feature: Have sensor updating and lock fuction Automatic flip screen function Adapt to 250~800mm main blads Energy Saving: Shut automatic in three mins on the the alert status Operation Guide: 1. ON/OFF button is turn on/ turn off. 2. Hold button will stop the sensor from updating the angle that it senses 3. Zero button allows you to set "0" at any given position of the sensor. This allows you to see your travel at any interval. Photos of Operation: 1. Find horizontal plane referece point on the helicopter (eg: motor / tail)when helicopter stops . 2. Press Zero button after finding horizontal plane ( angle calculation will based on the horizontal plane) 3. Measure blades angle positive and negative ,accurate to 0.1 degree support flip, very convenient. 4. Referece point change need to clear to 0 before calculation and find new horizontal plane . Package Included: 1 x Digital Pitch Gauge